package com.mao.interceptor;

import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 拦截器，拦截未登录的用户
 * Created by kechelle on 2020/8/5 19:09
 */
public class LoginInterceptor extends HandlerInterceptorAdapter {

    @Override
    public boolean preHandle(
            HttpServletRequest request,
            HttpServletResponse response,
            Object handler) throws Exception {
        if (request.getSession().getAttribute("user") == null){
            response.sendRedirect("/admin");
            return false;
        }
        return true;
    }
}
